package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.models.auth.In;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * 菜品管理
 */

@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品管理")
@Slf4j
public class DisController {


    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO disDTO)
    {
        log.info("新增菜品：{}", disDTO);
        dishService.saveWithFlavor(disDTO);


        //清理缓存数据
        String key = "dish_"+ disDTO.getCategoryId();
        redisTemplate.delete(key);
        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("分页查询菜品")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO)
    {
        log.info("分页查询菜品：{}",dishPageQueryDTO);
        return Result.success(dishService.pageQuery(dishPageQueryDTO));
    }

    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result delete(@RequestParam List<Long> ids)
    {
        log.info("删除菜品：{}",ids);
        dishService.deleteBatch(ids);

        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        Set keys = redisTemplate.keys("dish_*");
        redisTemplate.delete(keys);


        return Result.success();
    }


    /**
     * 根据id查询菜品详情
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable  Long id) {
        log.info("根据id查询菜品：{}", id);
        return Result.success(dishService.getByIdWithFlavor(id));
    }

    /**
     * 修改菜品
     * @param disDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品信息")
    public Result update(@RequestBody  DishDTO disDTO) {
         log.info("修改菜品");
        dishService.updateWithFlavor(disDTO);

        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        Set keys = redisTemplate.keys("dish_*");
        redisTemplate.delete(keys);
        return Result.success();
    }

    @PostMapping("/status/{status}")
    @ApiOperation("启停用菜品")
    public Result<String> startOrStop(@PathVariable Integer status,Long id){
        dishService.startOrStop(status,id);


        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        clearCache("dish_*");
        return Result.success();
    }
    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    private void clearCache(String pattern)
    {
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
